...Or gun drilling which is sometimes the name used for the process used
to
drill out the center of a tube, bar, etc. Sometimes called honing or
broaching depending on the size tube, hole pattern, etc.


Why would you substitute "honing" or "broaching" for "gun drilling"? All
three are completely different processes.

I wouldn't ever substitute those terms for gun drilling... But someone who
didn't have knowledge of the field might. It "looks" the same to them
because it makes a hole through something long.

Trust me, I get all types of questions at our shop where I quote a few dozen
pieces a day sometimes for drilling... One guy even asked for a "chicken
switch" rather than pneumatic or electronic limit switch on our unit. That
made me laugh for a while... Must have been from the chicken belt.
--


Joe - V#8013 - '86 VN750 - joe @ yunx .com
Northern, NJ
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